The geographical distribution of plants according to Humboldt's statistics of the principal families and groups: Schouw's twenty five phyto-geographic regions, and the distribution of the family of palms and the genera Pinus (pine) & Erica (heath)
Brunei, Cambodia, East Timor, Indonesia, Laos, Malaysia, Myanmar, Papua New Guinea, Philippines, Singapore, Southeast Asia, Thailand, Vietnam
World map showing the distribution of plants, including in Southeast Asia (e.g. Areca catechu (betel tree), Calamus, Caryota urens, Altingia, Pinus Dammara (Amboina pine), P. sinensis). With data on plant growth in different temperature zones.